7899317161 has 8 divisors (see below), whose sum is σ = 8038438848. Its totient is φ = 7761390000.

The previous prime is 7899317149. The next prime is 7899317177. The reversal of 7899317161 is 1617139987.

7899317161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7899317161 - 2¹⁹ = 7898792873 is a prime.

It is a super-2 number, since 2×7899317161² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7899317099 and 7899317108.

It is not an unprimeable number, because it can be changed into a prime (7899317131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285285 + ... + 311746.

It is an arithmetic number, because the mean of its divisors is an integer number (1004804856).

Almost surely, 2^7899317161 is an apocalyptic number.

It is an amenable number.

7899317161 is a deficient number, since it is larger than the sum of its proper divisors (139121687).

7899317161 is a wasteful number, since it uses less digits than its factorization.

7899317161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597263.

The product of its digits is 571536, while the sum is 52.

The square root of 7899317161 is about 88878.1028206611. The cubic root of 7899317161 is about 1991.5743171978.

The spelling of 7899317161 in words is "seven billion, eight hundred ninety-nine million, three hundred seventeen thousand, one hundred sixty-one".